DR. WILLIAM G ASKEW (MD) – Anesthesiology Physician, NPI 1790766574
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,591 ANESTHESIOLOGY in TX
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Provider Addresses for DR. WILLIAM G ASKEW (MD)
Band Box Place, Dallas, Dallas County, Texas, 75244, United States
DALLAS, TX 752840853
Phone: (972) 233-1999
Fax: (972) 233-3666
Type: Mailing
Austin Ear Nose & Throat Clinic, 3705, Medical Parkway, Central Austin, Austin, Travis County, Texas, 78705, United States
SUITE 570
AUSTIN, TX 78705
Phone: (512) 454-2454
Fax: (512) 454-1532
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $43.
Total Amount is formed as General ($43) + Research ($0) + Ownership ($0) = $43.
Last reported payment date: 2024-04-12 • Largest payer in this snapshot: MERZ NORTH AMERICA, INC. ($43).
Total Amount
$43
General + Research + Ownership
Payments
1
Total payment records
General Amount
$43
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| MERZ NORTH AMERICA, INC. | $43 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-09-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050913000905 | I | Anesthesiology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 55 | 55 | $0 |
| 00670 | Anesthesia for extensive surgery on spine | 14 | 14 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 12 | 12 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | 11 | $0 |
Insurance plans in this area (ZIP 75284)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | TX | 00790 | Anesthesia for procedure in upper abdomen including use of an endoscope | 14 | 14 |
| ANESTHESIOLOGY | TX | 01402 | Anesthesia for open or endoscopic total knee joint replacement | 13 | 13 |
| ANESTHESIOLOGY | TX | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 41 | 41 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| A N E S T H E S I O L O G Y | TX | |
| - | TX | |
| - | TX | |
| - | TX |
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